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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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package org.graalvm.visualizer.filter.spi;

import org.graalvm.visualizer.filter.FilterProvider;
import org.openide.util.Lookup;

/**
 * The Locator service may locate an active Filter(Chain). Typically
 * it looks for the active TopComponents or other prominent places.
 * The service implementation should lookup necessary data from `lkp' and if
 * present, build a {@link FilterProvider} around that data.
 *
 * @author sdedic
 */
public interface GraphFilterLocator {
    /**
     * find the FilterChain instance.
     */
    public FilterProvider findChain(Lookup lkp);
}
